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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp')
-rwxr-xr-x | gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp b/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp new file mode 100755 index 000000000..f0c0bd393 --- /dev/null +++ b/gfx/angle/src/tests/gl_tests/PBOExtensionTest.cpp @@ -0,0 +1,153 @@ +// +// Copyright 2015 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +#include "test_utils/ANGLETest.h" + +using namespace angle; + +class PBOExtensionTest : public ANGLETest +{ + protected: + PBOExtensionTest() + { + setWindowWidth(32); + setWindowHeight(32); + setConfigRedBits(8); + setConfigGreenBits(8); + setConfigBlueBits(8); + setConfigAlphaBits(8); + } + + virtual void SetUp() + { + ANGLETest::SetUp(); + + if (extensionEnabled("NV_pixel_buffer_object")) + { + glGenBuffers(1, &mPBO); + glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO); + glBufferData(GL_PIXEL_PACK_BUFFER, 4 * getWindowWidth() * getWindowHeight(), NULL, GL_STATIC_DRAW); + glBindBuffer(GL_PIXEL_PACK_BUFFER, 0); + + const char *vertexShaderSrc = SHADER_SOURCE + ( + attribute vec4 aTest; + attribute vec2 aPosition; + varying vec4 vTest; + + void main() + { + vTest = aTest; + gl_Position = vec4(aPosition, 0.0, 1.0); + gl_PointSize = 1.0; + } + ); + + const char *fragmentShaderSrc = SHADER_SOURCE + ( + precision mediump float; + varying vec4 vTest; + + void main() + { + gl_FragColor = vTest; + } + ); + + mProgram = CompileProgram(vertexShaderSrc, fragmentShaderSrc); + + glGenBuffers(1, &mPositionVBO); + glBindBuffer(GL_ARRAY_BUFFER, mPositionVBO); + glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_DYNAMIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); + } + ASSERT_GL_NO_ERROR(); + } + + virtual void TearDown() + { + ANGLETest::TearDown(); + + glDeleteBuffers(1, &mPBO); + glDeleteProgram(mProgram); + } + + GLuint mPBO; + GLuint mProgram; + GLuint mPositionVBO; +}; + +TEST_P(PBOExtensionTest, PBOWithOtherTarget) +{ + if (extensionEnabled("NV_pixel_buffer_object")) + { + glClearColor(1.0f, 0.0f, 0.0f, 1.0f); + glClear(GL_COLOR_BUFFER_BIT); + EXPECT_GL_NO_ERROR(); + + glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO); + glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, 0); + + glBindBuffer(GL_PIXEL_PACK_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, mPBO); + + GLvoid *mappedPtr = glMapBufferRangeEXT(GL_ARRAY_BUFFER, 0, 32, GL_MAP_READ_BIT); + unsigned char *dataPtr = static_cast<unsigned char *>(mappedPtr); + EXPECT_GL_NO_ERROR(); + + EXPECT_EQ(255, dataPtr[0]); + EXPECT_EQ(0, dataPtr[1]); + EXPECT_EQ(0, dataPtr[2]); + EXPECT_EQ(255, dataPtr[3]); + + glUnmapBufferOES(GL_ARRAY_BUFFER); + } + EXPECT_GL_NO_ERROR(); +} + +TEST_P(PBOExtensionTest, PBOWithExistingData) +{ + if (extensionEnabled("NV_pixel_buffer_object")) + { + // Clear backbuffer to red + glClearColor(1.0f, 0.0f, 0.0f, 1.0f); + glClear(GL_COLOR_BUFFER_BIT); + EXPECT_GL_NO_ERROR(); + + // Read 16x16 region from red backbuffer to PBO + glBindBuffer(GL_PIXEL_PACK_BUFFER, mPBO); + glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, 0); + + // Clear backbuffer to green + glClearColor(0.0f, 1.0f, 0.0f, 1.0f); + glClear(GL_COLOR_BUFFER_BIT); + EXPECT_GL_NO_ERROR(); + + // Read 16x16 region from green backbuffer to PBO at offset 16 + glReadPixels(0, 0, 16, 16, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<GLvoid*>(16)); + GLvoid * mappedPtr = glMapBufferRangeEXT(GL_PIXEL_PACK_BUFFER, 0, 32, GL_MAP_READ_BIT); + unsigned char *dataPtr = static_cast<unsigned char *>(mappedPtr); + EXPECT_GL_NO_ERROR(); + + // Test pixel 0 is red (existing data) + EXPECT_EQ(255, dataPtr[0]); + EXPECT_EQ(0, dataPtr[1]); + EXPECT_EQ(0, dataPtr[2]); + EXPECT_EQ(255, dataPtr[3]); + + // Test pixel 16 is green (new data) + EXPECT_EQ(0, dataPtr[16 * 4 + 0]); + EXPECT_EQ(255, dataPtr[16 * 4 + 1]); + EXPECT_EQ(0, dataPtr[16 * 4 + 2]); + EXPECT_EQ(255, dataPtr[16 * 4 + 3]); + + glUnmapBufferOES(GL_PIXEL_PACK_BUFFER); + } + EXPECT_GL_NO_ERROR(); +} + +// Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against. +ANGLE_INSTANTIATE_TEST(PBOExtensionTest, ES2_D3D11(), ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES()); |